1852072961 has 4 divisors (see below), whose sum is σ = 1853310000. Its totient is φ = 1850835924.

The previous prime is 1852072913. The next prime is 1852072987. The reversal of 1852072961 is 1692702581.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1852072961 - 2³⁰ = 778331137 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1852072991) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 616271 + ... + 619268.

It is an arithmetic number, because the mean of its divisors is an integer number (463327500).

Almost surely, 2^1852072961 is an apocalyptic number.

It is an amenable number.

1852072961 is a deficient number, since it is larger than the sum of its proper divisors (1237039).

1852072961 is a wasteful number, since it uses less digits than its factorization.

1852072961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1237038.

The product of its (nonzero) digits is 60480, while the sum is 41.

The square root of 1852072961 is about 43035.7172706579. The cubic root of 1852072961 is about 1228.0593719857.

The spelling of 1852072961 in words is "one billion, eight hundred fifty-two million, seventy-two thousand, nine hundred sixty-one".